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"""Test Polygon."""
from unittest import mock
from pygeoif import geometry
def test_coords() -> None:
polygon = geometry.Polygon([(0, 0), (1, 1), (1, 0), (0, 0)])
assert polygon.coords == (((0.0, 0.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0)),)
def test_coords_with_holes() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i])
assert polygon.coords == (
((0.0, 0.0), (0.0, 2.0), (2.0, 2.0), (2.0, 0.0), (0.0, 0.0)),
(((1.0, 0.0), (0.5, 0.5), (1.0, 1.0), (1.5, 0.5), (1.0, 0.0)),),
)
def test_geo_interface_shell_only() -> None:
polygon = geometry.Polygon([(0, 0), (1, 1), (1, 0), (0, 0)])
assert polygon.__geo_interface__, {
"type": "Polygon",
"bbox": (0.0, 0.0, 1.0, 1.0),
"coordinates": (((0.0, 0.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0)),),
}
def test_geo_interface_with_holes() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i])
assert polygon.__geo_interface__ == {
"type": "Polygon",
"bbox": (0.0, 0.0, 2.0, 2.0),
"coordinates": (
((0.0, 0.0), (0.0, 2.0), (2.0, 2.0), (2.0, 0.0), (0.0, 0.0)),
((1.0, 0.0), (0.5, 0.5), (1.0, 1.0), (1.5, 0.5), (1.0, 0.0)),
),
}
def test_from_dict_shell_only() -> None:
polygon = geometry.Polygon._from_dict(
{
"type": "Polygon",
"bbox": (0.0, 0.0, 1.0, 1.0),
"coordinates": (((0.0, 0.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0)),),
},
)
assert polygon.__geo_interface__, {
"type": "Polygon",
"bbox": (0.0, 0.0, 1.0, 1.0),
"coordinates": (((0.0, 0.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0)),),
}
def test_from_dict_with_holes() -> None:
polygon = geometry.Polygon._from_dict(
{
"type": "Polygon",
"bbox": (0.0, 0.0, 2.0, 2.0),
"coordinates": (
((0.0, 0.0), (0.0, 2.0), (2.0, 2.0), (2.0, 0.0), (0.0, 0.0)),
((1.0, 0.0), (0.5, 0.5), (1.0, 1.0), (1.5, 0.5), (1.0, 0.0)),
),
},
)
assert polygon.__geo_interface__ == {
"type": "Polygon",
"bbox": (0.0, 0.0, 2.0, 2.0),
"coordinates": (
((0.0, 0.0), (0.0, 2.0), (2.0, 2.0), (2.0, 0.0), (0.0, 0.0)),
((1.0, 0.0), (0.5, 0.5), (1.0, 1.0), (1.5, 0.5), (1.0, 0.0)),
),
}
def test_from_compatible() -> None:
not_a_geometry = mock.Mock(
__geo_interface__={
"type": "Polygon",
"bbox": (0.0, 0.0, 2.0, 2.0),
"coordinates": (
((0.0, 0.0), (0.0, 2.0), (2.0, 2.0), (2.0, 0.0), (0.0, 0.0)),
((1.0, 0.0), (0.5, 0.5), (1.0, 1.0), (1.5, 0.5), (1.0, 0.0)),
),
},
)
polygon = geometry.Polygon._from_interface(not_a_geometry)
assert polygon.__geo_interface__ == {
"type": "Polygon",
"bbox": (0.0, 0.0, 2.0, 2.0),
"coordinates": (
((0.0, 0.0), (0.0, 2.0), (2.0, 2.0), (2.0, 0.0), (0.0, 0.0)),
((1.0, 0.0), (0.5, 0.5), (1.0, 1.0), (1.5, 0.5), (1.0, 0.0)),
),
}
def test_exteriors() -> None:
polygon = geometry.Polygon([(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)])
assert polygon.exterior.coords == ((0, 0), (0, 2), (2, 2), (2, 0), (0, 0))
def test_interiors() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i])
assert next(iter(polygon.interiors)).coords == (
(1, 0),
(0.5, 0.5),
(1, 1),
(1.5, 0.5),
(1, 0),
)
def test_bounds() -> None:
polygon = geometry.Polygon([(0, 0), (1, 1), (1, 0), (0, 0)])
assert polygon.bounds == (0.0, 0.0, 1.0, 1.0)
def test_wkt_shell_only() -> None:
polygon = geometry.Polygon([(0, 0), (1, 1), (1, 0), (0, 0)], [])
assert polygon.wkt == "POLYGON ((0 0, 1 1, 1 0, 0 0))"
def test_wkt_with_holes() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
i2 = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i, i2])
assert polygon.wkt == (
"POLYGON ((0 0, 0 2, 2 2, 2 0, 0 0),"
"(1 0, 0.5 0.5, 1 1, 1.5 0.5, 1 0),"
"(1 0, 0.5 0.5, 1 1, 1.5 0.5, 1 0))"
)
def test_wkt_shell_only_3d() -> None:
polygon = geometry.Polygon([(0, 0, 0), (1, 1, 0), (1, 0, 0), (0, 0, 0)])
assert polygon.wkt == "POLYGON Z ((0 0 0, 1 1 0, 1 0 0, 0 0 0))"
def test_repr() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i])
assert repr(polygon) == (
"Polygon(((0, 0), (0, 2), (2, 2), (2, 0), (0, 0)), "
"(((1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)),))"
)
def test_repr_shell_only() -> None:
polygon = geometry.Polygon([(0, 0, 0), (1, 1, 0), (1, 0, 0), (0, 0, 0)])
assert repr(polygon) == "Polygon(((0, 0, 0), (1, 1, 0), (1, 0, 0), (0, 0, 0)),)"
def test_repr_eval() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i])
assert (
eval(repr(polygon), {}, {"Polygon": geometry.Polygon}).__geo_interface__
== polygon.__geo_interface__
)
def test_repr_eval_shell_only() -> None:
polygon = geometry.Polygon([(0, 0, 0), (1, 1, 0), (1, 0, 0), (0, 0, 0)])
assert (
eval(repr(polygon), {}, {"Polygon": geometry.Polygon}).__geo_interface__
== polygon.__geo_interface__
)
def test_hasz() -> None:
polygon = geometry.Polygon([(0, 0, 0), (1, 1, 0), (1, 0, 0), (0, 0, 0)])
assert polygon.has_z
def test_convex_hull() -> None:
polygon = geometry.Polygon([(0, 0), (1, 1), (2, 2)])
assert polygon.convex_hull == geometry.LineString([(0, 0), (2, 2)])
def test_convex_hull_3d() -> None:
polygon = geometry.Polygon([(0, 0, 0), (1, 1, 1), (2, 2, 2)])
assert polygon.convex_hull == geometry.LineString([(0, 0), (2, 2)])
def test_convex_hull_3d_collapsed_to_point() -> None:
polygon = geometry.Polygon([(0, 0, 0), (0, 0, 1), (0, 0, 2)])
assert polygon.convex_hull == geometry.Point(0, 0)
def test_convex_hull_linear_ring() -> None:
polygon = geometry.Polygon([(0, 0), (1, 0), (2, 2)])
assert polygon.convex_hull == geometry.Polygon([(0, 0), (1, 0), (2, 2), (0, 0)])
def test_from_linear_rings() -> None:
ring1 = geometry.LinearRing([(0, 0), (1, 1), (2, 2)])
ring2 = geometry.LinearRing(((0, 0), (1, 1), (1, 0), (0, 0)))
assert geometry.Polygon.from_linear_rings(ring1, ring2) == geometry.Polygon(
((0, 0), (1, 1), (2, 2), (0, 0)),
(((0, 0), (1, 1), (1, 0), (0, 0)),),
)
def test_from_coordinates() -> None:
polygon = geometry.Polygon([(0, 0, 0), (1, 1, 0), (1, 0, 0), (0, 0, 0)])
assert geometry.Polygon.from_coordinates(polygon.coords) == polygon
def test_from_coordinates_with_holes() -> None:
e = [(0, 0), (0, 2), (2, 2), (2, 0), (0, 0)]
i = [(1, 0), (0.5, 0.5), (1, 1), (1.5, 0.5), (1, 0)]
polygon = geometry.Polygon(e, [i])
assert geometry.Polygon.from_coordinates(polygon.coords) == polygon
def test_empty() -> None:
polygon = geometry.Polygon([])
assert polygon.is_empty
def test_empty_wkt() -> None:
polygon = geometry.Polygon([])
assert polygon.wkt == "POLYGON EMPTY"
def test_repr_empty() -> None:
polygon = geometry.Polygon([])
assert repr(polygon) == "Polygon((),)"
def test_empty_bounds() -> None:
polygon = geometry.Polygon([])
assert polygon.bounds == ()
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